Re-translate the Japanese version (#1871)

* Retranslate Japanese docs with GPT-5.4

* Retranslate Japanese code with GPT-5.4

ja/codes/javascript/modules/Vertex.js

@@ -0,0 +1,35 @@
+/**
+ * File: Vertex.js
+ * Created Time: 2023-02-15
+ * Author: Zhuo Qinyue (1403450829@qq.com)
+ */
+
+/* 頂点クラス */
+class Vertex {
+    val;
+    constructor(val) {
+        this.val = val;
+    }
+
+    /* 値リスト vals を入力し、頂点リスト vets を返す */
+    static valsToVets(vals) {
+        const vets = [];
+        for (let i = 0; i < vals.length; i++) {
+            vets[i] = new Vertex(vals[i]);
+        }
+        return vets;
+    }
+
+    /* 頂点リスト vets を入力し、値リスト vals を返す */
+    static vetsToVals(vets) {
+        const vals = [];
+        for (const vet of vets) {
+            vals.push(vet.val);
+        }
+        return vals;
+    }
+}
+
+module.exports = {
+    Vertex,
+};